VizieR

CfA VizieR . ADAC VizieR . Cambridge (UK) VizieR . IUCAA VizieR . INASAN VizieR .

VizieR

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II/246/out 2MASS All-Sky Catalog of Point Sources (Cutri+ 2003)
The Point Source catalogue of 470,992,970 sources. Please acknowledge the usage of the 2MASS All-Sky Survey; see also the 2MASS Pages.    Note that the magnitudes in red correspond to low quality results (upper limits or very poor photometry) (470992970 rows)
  2MASS===07550449-2416511
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ColumnValue  Explain   (UCD)
_RAJ200007 55 04.49088 "h:m:s" Right ascension (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEJ2000-24 16 51.1284 "d:m:s" Declination (FK5, Equinox=J2000.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_RAB195007 52 57.14857 "h:m:s" Right ascension (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.ra)
_DEB1950-24 08 52.9342 "d:m:s" Declination (FK4, Equinox=B1950.0) (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.eq.dec)
_Glon241.63031981 deg Galactic longitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lon)
_Glat+01.99847122 deg Galactic latitude (computed by VizieR, not part of the original data. The format may include more digits than the original data because of internal accuracy requirements in VizieR and across other CDS services) (pos.galactic.lat)

RAJ2000118.768712 deg (i) (ra) Right ascension (J2000) (pos.eq.ra;meta.main)
DEJ2000-24.280869 deg (i) (dec) Declination (J2000) (dec) (pos.eq.dec;meta.main)
errMaj 0.06 arcsec (err_maj) Semi-major axis of position error ellipse (stat.error)
errMin 0.06 arcsec (err_min) Semi-minor axis of position error ellipse (stat.error)
errPA 0 deg [0,180] (err_ang) Position angle of error ellipse major axis (E of N) (stat.error)
2MASS07550449-2416511  (i) (designation) Source designation (Note 1)   (meta.id;meta.main)
Jmag10.537 mag (i) (j_m) J selected default magnitude (Note 2)   (phot.mag;em.IR.J)
Jcmsig 0.021 mag (j_cmsig) J default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Jmag 0.024 mag (j_msigcom) J total magnitude uncertainty (Note 4)   (stat.error;phot.mag;em.IR.J)
Jsnr 2278.4  (j_snr) J Signal-to-noise ratio (stat.snr)
Hmag10.502 mag (i) (h_m) H selected default magnitude (Note 2)   (phot.mag;em.IR.H)
Hcmsig 0.022 mag (h_cmsig) H default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Hmag 0.023 mag (h_msigcom) H total magnitude uncertainty (Note 4)   (stat.error;phot.mag;em.IR.H)
Hsnr 1117.2  (h_snr) H Signal-to-noise ratio (stat.snr)
Kmag10.458 mag (i) (k_m) K selected default magnitude (Note 2)   (phot.mag;em.IR.K)
Kcmsig 0.021 mag (k_cmsig) K default magnitude uncertainty (Note 3)   (stat.error;phot.mag)
e_Kmag 0.023 mag (k_msigcom) K total magnitude uncertainty (Note 4)   (stat.error;phot.mag;em.IR.K)
Ksnr 482.2  (k_snr) K Signal-to-noise ratio (stat.snr)
QflgAAA  (ph_qual) JHK Photometric quality flag (Note 5)   (meta.code.qual;phot)
Rflg222  (rd_flg) Source of JHK default mag (Note 6)   (meta.ref)
Bflg111  (bl_flg) JHK components fit to source (Note 7)   (meta.code)
Cflg000  (cc_flg) Artifact contamination, confusion (Note 8)   (meta.code)
Ndet556666   [0-9] (ndet) Number of aperture measurements (jjhhkk) (Note 9)   (meta.number)
prox 16.8 arcsec Distance between source and nearest neighbour (pos.angDistance)
pxPA 45 deg (pxpa) Position angle of vector from source to nearest neighbour (E of N) (pos.posAng)
pxCntr 264584688  (pxcntr) Sequence number of nearest neighbour (meta.number)
Xflg0   [0,2] (gal_contam) Extended source contamination (Note 10)   (meta.code)
Aflg0   [0,1] (mp_flg) Association with asteroid or comet (Note 11)   (meta.code)
Cntr 264584703  (pts_key) Unique source identifier in catalogue (meta.id;meta.table)
Hemiss   [ns] (hemis) Hemisphere of observation (obs.param;obs)
Date1999-02-09  (date) Observation date (time.epoch;obs)
Scan 61  (scan) Scan number (within date) (obs.field)
GLON241.630 deg (glon) Galactic longitude (Note 12)   (pos.galactic.lon)
GLAT 1.998 deg (glat) Galactic latitude (Note 12)   (pos.galactic.lat)
Xscan 55.0 arcsec (x_scan) Distance of source from focal plane centerline (pos.cartesian;instr.det)
JD2451218.6863 d (jdate) Julian date of source measurement (Note 13)   (time.epoch)
Jpsfchi 0.91  (j_psfchi) J band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Hpsfchi 1.07  (h_psfchi) H band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Kpsfchi 1.14  (k_psfchi) K band reduced chi2 value of fit (stat.fit.chi2;stat.value)
Jstdap10.512 mag (jmstdap) J standard aperture magnitude (Note 18)   (phot.mag;em.IR.J)
e_Jstdap 0.015 mag (jmsigstdap) error on Jstdap (stat.error)
Hstdap10.460 mag (hmstdap) H standard aperture magnitude (Note 18)   (phot.mag;em.IR.H)
e_Hstdap 0.045 mag (hmsigstdap) error on Hstdap (stat.error)
Kstdap10.422 mag (kmstdap) K standard aperture magnitude (Note 18)   (phot.mag;em.IR.K)
e_Kstdap 0.019 mag (kmsigstdap) error on Kstdap (stat.error)
edgeNS 1552 arcsec (distedgens) Distance from the source to the nearest North or South scan edge (pos;arith.diff)
edgeEW197 arcsec (distedgeew) Distance from the source to the nearest East or West scan edge (pos;arith.diff)
edgenw   [nsew] (distedgeflg) flag indicating to which edges the edgeNS and edgeEW values refer (pos.cartesian;instr.det)
dup0  (dup_src) Flag indicating duplicate source (Note 14)   (meta.code)
use1  (use_src) Use source flag (Note 15)   (meta.code)
optT   [0UT] (a) Associated optical source (Note 16)   (meta.id;meta.dataset)
Dopt 0.1 arcsec (dist_opt) Distance to associated optical source (pos.angDistance)
PAopt229 deg [0,360] (phi_opt) position angle from optical source to the 2MASS source position (pos.posAng)
Bmag10.90 mag (bmopt) Blue magnitude of associated optical source (phot.mag;em.opt.B)
Rmag10.59 mag (vrmopt) Visual or red mag of associated optical source (phot.mag;em.opt.R)
Nopt2  (nopt_mchs) Number of optical sources within 5arcsec (Note 17)   (meta.number)
extKey   (ext_key) Record Identifier in XSC (meta.id.cross)
scanKey17021  (scan_key) Record Identifier in the Scan Information Table (meta.id)
coaddKey 391462  (coadd_key) Record Identifier in the Atlas Image Data Table (meta.id;meta.dataset)
coadd 21  (coadd) Sequence number of the Atlas Image (meta.number)

OptOpt  Show the nearby Optical Sources from USNO and GSC Catalogues (meta.ref.url)
  
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